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Aminorex Synth
[quote][i]Originally posted by jackson2004[/i]
Does anyone have a synth for plain aminorex i cannt ... |
23-6-2007 at 23:06
by: Nicodem |
methoxylation of hydroxyl group in Paracetamol-help needed for the parameters
"Zhongguo Yiyao Gongye Zazhi" means "Journal of Chinese Medical Industry", but unless you read Chine ... |
23-6-2007 at 03:24
by: Nicodem |
methoxylation of hydroxyl group in Paracetamol-help needed for the parameters
https://sciencemadness.org/talk/viewthread.php?tid=8318
(Next time UTFSE before posting questions ... |
22-6-2007 at 11:04
by: Nicodem |
LiOCH3 to replace NaOCH3?
The reaction of methoxide with 2-nitro-p-dichlorobenzene to yield 2-nitro-4-chloroanisole goes by an ... |
21-6-2007 at 12:59
by: Nicodem |
LiOCH3 to replace NaOCH3?
Edit: Ah, you talk about that Tetrahedron Lett. paper with EtOAc as proligand. Well, that's about th ... |
21-6-2007 at 12:39
by: Nicodem |
Pyridine Substitute
Unlike few less reactive nucleophiles like some stericaly hindered alcohols and similar, the acylati ... |
21-6-2007 at 11:16
by: Nicodem |
LiOCH3 to replace NaOCH3?
Smuv, the patent US1978647 you are (unsuccessfully) referring to has been already discussed in the a ... |
21-6-2007 at 11:06
by: Nicodem |
Taking out the Furan!!
There is no way to oxidize the furan-3-yl moiety without first protecting the double bond at the oct ... |
20-6-2007 at 10:50
by: Nicodem |
Pyridine Substitute
Any tertiary amine will do more or less fine for most acylations of amines with acyl chlorides. Even ... |
20-6-2007 at 10:41
by: Nicodem |
LiOCH3 to replace NaOCH3?
[quote][i]Originally posted by Intergalactic_Captain[/i]
The problem with alkoxide formation is tha ... |
20-6-2007 at 10:33
by: Nicodem |
LiOCH3 to replace NaOCH3?
You can use NaOH in methanol. The yields will be a little lower though. |
19-6-2007 at 12:00
by: Nicodem |
alkylation of nitrocompounds
Next time UTFSE by yourself!
http://sciencemadness.org/talk/viewthread.php?tid=7175&page=1
P ... |
17-6-2007 at 21:33
by: Nicodem |
which is the proper solvent for preparation of sulfide
The reaction of BnCl with water is extremely slow and is of no relevance here. H2O is way less nucle ... |
17-6-2007 at 02:32
by: Nicodem |
which is the proper solvent for preparation of sulfide
Use water as solvent with 2 eq. of NaOH as base. Additionally, due to the low solubility of BnCl in ... |
16-6-2007 at 12:36
by: Nicodem |
Reaction ideas anyone?
I'm afraid you were a bit too late with that suggestion as he was already up to that:
https://scien ... |
3-6-2007 at 12:40
by: Nicodem |
Esters and their Synth
[quote][i]Originally posted by ssdd[/i]
Any ideas anyone on how to remove the floating banana oil f ... |
3-6-2007 at 12:38
by: Nicodem |
Reaction ideas anyone?
It would help if you would define what you understand as "interesting results". Everybody has its ow ... |
3-6-2007 at 12:30
by: Nicodem |
Aldehyde to nitrile
[quote][i]Originally posted by Sauron[/i]
See:
Beckmann Rearrangement of Oximes under Very Mild ... |
3-6-2007 at 12:23
by: Nicodem |
Nitroethane Quantity?
There was no need to open another thread on this issue.
Next time please UTFSE before posting:
htt ... |
31-5-2007 at 23:08
by: Nicodem |
Aldehyde to nitrile
Since this is at least the second time I see you calling the dehydration of aldoximes as "Beckmann r ... |
31-5-2007 at 22:05
by: Nicodem |
Tert-butyl alkylation with t-BuBr
CDI (N,N'-carbonyldiimidazole) is not a catalyst. It is a coupling reagent just like the more known ... |
31-5-2007 at 09:29
by: Nicodem |
L-tryptophan decarboxylation
He just says to wash the organic phase, for example with 5% aqueous NaHCO3, in order to remove the u ... |
30-5-2007 at 11:36
by: Nicodem |
Potential route to amphetamine...
[quote][i]Originally posted by Nicodem[/i]
If you have a reference to support your claim I would li ... |
28-5-2007 at 10:41
by: Nicodem |
Tert-butyl alkylation with t-BuBr
[quote][i]Originally posted by Nicodem[/i]
I'm not sure but I think the indol-3-ylacetyl chloride i ... |
28-5-2007 at 10:29
by: Nicodem |
synthetic chalange regarding oligo-ethylene glycol
Well, I checked the literature and there are less then a dozen references for O-alkylation of ethano ... |
28-5-2007 at 10:13
by: Nicodem |
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